00879pam a2200265 a 4500 1122823 NUST - PNEC 20170116181136.0 940107s1994 njua 001 0 eng 94001225 013097692X : LIBRARY TL695 .H44 1994 629.135 HEL 20 Helfrick, Albert D. Modern aviation electronics / Albert Helfrick. 2nd ed. Englewood Cliffs, N.J. : Prentice Hall Career and Technology, c1994. viii, 367 p. : ill. ; 25 cm. Includes index. Avionics. ME 7 cbc orignew 1 ocip 19 y-gencatlg ddc BK 70245 70245 0 0 ddc 0 0 PNEC PNEC WING-B 0000-00-00 0 629.135 HEL PNECLIB-021786 2015-10-07 0000-00-00 BK